... 201,steel 2.Surface treatment:polished or electroplating 3.Press: From 5 T to 250T. ... ,Zinc-Plated ,Hex Chromates Zinc, Electrophoresis, Paints and primers, blacking, etc8.Tolerance:+-0.01mm9.Application ... Machine assembly, Air industry,industrial and household appliances etc.10.Package:carton with protection inside,wooden boxes outside ... Korea etc.PHOTOS stainless steel window and door hardware product